Warren County, Illinois Genealogy

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Guide to Warren County, Illinois ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.

County Facts
County seat: Monmouth
Organized: January 13, 1825
Parent County(s): Non-County Area 3
Neighboring Counties
FultonHendersonKnoxMcDonoughMercer
See County Maps
Courthouse
Illinois, Warren County Courthouse.png
Location Map
Warren County Illinois.png

Joseph Warren

County Information

Description

Warren County was named for Dr. Joseph Warren, killed at the Battle of Bunker Hill in 1775. He is believed to have been the first officer to die in the Revolutionary War. The county seat is Monmouth and the county was organized on 1825. The county is located in the west-central area of the state.[1]

County Courthouse

Warren County Courthouse
100 West Broadway
Monmouth, IL 61462
Phone: 309-837-9278
Warren County Courthouse

County records are most often kept at the County Courthouse or another local repository. For further information about where the records for Warren County are kept, see the Warren County Courthouse page.

Warren County, Illinois Record Dates

Information for this chart was taken from various sources, often containing conflicting dates. This information should be taken as a guide and should be verified by contacting the county and/or the state government agency.

Known Beginning Dates for Government County Records[2]
Birth* Marriage Death* Court Land Probate Census
1877 1833 1877 1825 1833 1825 1810
*Statewide registration for births and deaths started 1916. General compliance by 1922.

Record Loss

There is no known history of courthouse disasters in this county.

Boundary Changes

Populated Places

For a complete list of populated places, including small neighborhoods and suburbs, visit HomeTown Locator. The following are the most historically and genealogically relevant populated places in this county:[3]

Cities
Villages
Unincorporated communities
Townships


History Timeline

Resources

Bible Records

Biographies

  • The Historical Encyclopedia of Illinois has a Warren County edition. This includes a state history section along with a county history and biographies of Warren County residents. See the wiki article for links to available copies and indexes.

Business, Commerce, and Occupations

Cemeteries

Cemeteries of Warren County, Illinois online and in print
Tombstone Transcriptions Online
Tombstone Transcriptions in Print (Often more complete)
List of Cemeteries in the County
See Illinois Cemeteries for more information

Census Records

Historical populations
Census Pop.
1840 6,739
1850 8,176 21.3%
1860 18,336 124.3%
1870 23,174 26.4%
1880 22,933 −1.0%
1890 21,281 −7.2%
1900 23,163 8.8%
1910 23,313 0.6%
1920 21,488 −7.8%
1930 21,745 1.2%
1940 21,286 −2.1%
1950 21,981 3.3%
1960 21,587 −1.8%
1970 21,595 0.0%
1980 21,943 1.6%
1990 19,181 −12.6%
2000 18,735 −2.3%
2010 17,707 −5.5%
Source: "Wikipedia.org".

1840 Pensioners

Church Records

List of Churches and Church Parishes



Online Records



Abstracts

Court Records

Original court records are held in the office of the Circuit Court Clerk. See Illinois Court Records for more information about using court records.

The following abstracts and copies of original records may be accessed through the FamilySearch Library or the Illinois Regional Archives Depository (IRAD) located at the Western Illinois University (WIU) - search for Warren County records. For information on how to use IRAD see the Wiki article IRAD (WIU).

Directories

Emigration and Immigration

Ethnic, Political, and Religious Groups

African Americans

Funeral Homes

Genealogies

Guardianship

Land and Property Records

Original land records are held in the office of the County Clerk . See Illinois Land and Property for more information about using land records.

The following abstracts and copies of original records may be accessed through online sources, the FamilySearch Library or the Illinois Regional Archives Depository (IRAD) located at the Western Illinois University (WIU) - search for Warren County records. For information on how to use IRAD see the Wiki article IRAD (WIU).

Local Histories

Maps and Gazetteers

Mercer CountyHenry CountyKnox CountyFulton CountyMcDonough CountyHenderson CountyIL WARREN.PNG
Click a neighboring county
for more resources

Migration

Military Records

Civil War


Regiments. Civil War service men from Warren County served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies or regiments that were formed from men of Warren County.

- 11th Regiment, Illinois Cavalry, Companies I and K.
- 12th Regiment, Illinois Cavalry, Company L.
- 13th Regiment, Illinois Cavalry, Company E.
- 17th Regiment, Illinois Infantry, Company F.
- 36th Regiment, Illinois Infantry, Company C.
- 50th Regiment, Illinois Infantry, Companies A, B, C, D, and K.
- 59th Regiment, Illinois Infantry, Company B.
- 61st Regiment, Illinois Infantry, Company I.
- 83rd Regiment, Illinois Infantry, Companies A, B, C, F, and H.
- 102nd Regiment, Illinois Infantry, Companies A and B.
- 138th Regiment, Illinois Infantry (100 days, 1864), Companies A and C.

World War I

Naturalization and Citizenship

Online Naturalization Indexes and Records

Newspapers

Obituaries

Other Records

Almshouse Records

Criminal and Punishments

Public Records

Voting Records

Periodicals

Probate Records

Original estates and wills are held in the office of the Circuit Court Clerk. See Illinois Probate Records for more information about using probate records.

The following abstracts and copies of original records may be accessed through, the FamilySearch Library or the Illinois Regional Archives Depository (IRAD) located at the Western Illinois University (WIU) - search for Warren County records. For information on how to use IRAD see the Wiki article IRAD (WIU).

School Records

Social Security Records

Tax Records

Vital Records

Vital records consist of birth, death, marriage and divorce records. Original birth and death certificates recorded until the year 1916 are kept by the Warren County Clerk while those recorded after 1916 are kept by the Illinois Department of Public Health with a copy to the County Clerk. Original marriage records are usually kept by the County Clerk from the establishment of the county to the present. Original divorce records are generally in the office of the Circuit Court Clerk.

The following abstracts and copies of original records may be accessed through online databases, the FamilySearch Library and the Illinois Regional Archives Depository (IRAD) located at the Western Illinois University (WIU) - search for Warren County records. For information on how to use IRAD see the Wiki article IRAD (WIU).

Birth

Marriage

Death

Divorce

Research Facilities

Archives

Listed below are archives in Warren County. For state-wide facilities, see Illinois Archives and Libraries.

Illinois Regional Archives Depository (IRAD)
IRAD is a system of Illinois Regional Archives Depositories managed by the Illinois State Archives, housing the archival records of local Illinois counties, townships, municipalities and school districts. The seven Regional Depositories are housed on state university campuses scattered throughout Illinois. Western Illinois University houses the records for Warren County.

FamilySearch Centers

FamilySearch Center and Affiliate Library Locator map - search for local FamilySearch Centers or Affiliate Libraries

  • FamilySearch Centers provide one-on-one assistance, free access to center-only databases, and to premium genealogical websites.
  • FamilySearch Affiliate Libraries have access to most center-only databases, but may not always have full services normally provided by a FamilySearch center.

Local Centers and Affiliate Libraries

Libraries

Listed below are libraries in Warren County. For state-wide library facilities, see Illinois Archives and Libraries.

Warren County Public Library District
62 Public Square
Monmouth, IL 61462
Phone: 309-734-3166
Email: lgood@wcplibrary.org
Website

Museums

Societies

Listed below are societies in Warren County. For state-wide genealogical and historical societies, see Illinois Societies.

Warren County Historical Society
PO Box 761
238 South Sunny Lane
Monmouth, IL 61462-0761
Phone: 309-734-8433
Email: director@wchistorymuseum.com
Website

Warren County Illinois Genealogical Society
62 Public Square
Monmouth, IL 61462
Phone: 309-734-3166
Email: wcgs@wcplibrary.org

Warren County Historical Society
RR 2
Avon, IL 61415
Phone: 309-465-3361
Email: info@warrencountyhistoricalsociety.net

Websites

Research Guides

References

  1. Wikipedia contributors, "Warren County," in Wikipedia: the Free Encyclopedia, https://en.wikipedia.org/wiki/Warren_County,_Illinois 04/20/2017.
  2. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Warren County, Illinois. Page 192-199 At various libraries (WorldCat); FS Library Book 973 D27e 2002; Alice Eichholz, ed. Ancestry’s Red Book: American State, County, and Town Sources, Third ed. (Provo, Utah: Ancestry, 2004), 194-197.
  3. Wikipedia contributors, "Warren County, Illinois," in Wikipedia: the Free Encyclopedia, https://en.wikipedia.org/wiki/Warren_County,_Illinois, accessed 11 March 2020.